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DNA Structure and Replication

DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

70 °C
90 °C
100 °C
60°C

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Replication forks
Replication origins
Okazaki fragments
Leading strands

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DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

using enzyme called telomerase
None of these
using RNA as a template
shortening of the double stranded replicated portion

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DNA Structure and Replication
The 5' and 3' numbers are related to the

length of the DNA strand
the base pair rule
the number of phosphates
carbon number in sugar

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DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dATP
dGTP and dCTP
all of these
dTTP

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DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

Nothing would happen
None of these
Chromosomes would get longer
Chromosomes would become progressively shorter

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